/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package Servlet;

import Outils.LiaisonSqlDB;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author smng2095
 */
@WebServlet(name = "ajoutIP", urlPatterns = {"/ajoutIP"})
public class AjoutIP extends HttpServlet {

    LiaisonSqlDB liaisonSqlDB;

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        try (PrintWriter out = response.getWriter()) {

            if (request.getSession() == null) {

                RequestDispatcher dispatcher
                        = getServletContext().getRequestDispatcher("/dispatcheur");
                dispatcher.forward(request, response);
            } else if (((String) (request.getSession().getAttribute("user"))).equalsIgnoreCase("-1")) {

                request.getSession().invalidate();
                RequestDispatcher dispatcher
                        = getServletContext().getRequestDispatcher("/dispatcheur");
                dispatcher.forward(request, response);

            } else {

                String[] temp = (request.getParameter("ipAdress")).split("\\.");
                if (temp.length != 4) {
                    request.setAttribute("error", "Mauvais format IP: Nombre de digit incohérent " + temp.length);
                    redirectToSite(request, response, "index.jsp");
                } else {
                    for (int i = 0; i < 4; i++) {
                        try {

                            if (Integer.parseInt(temp[i]) > 255) {
                                request.setAttribute("error", "Mauvais format IP: le digit n ° " + i + "est superieur a 255");
                                redirectToSite(request, response, "dispatcheur");
                                return;
                            }
                            if (Integer.parseInt(temp[i]) < 0) {
                                request.setAttribute("error", "Mauvais format IP: le digit n ° " + i + "est inferieur a 0");
                                redirectToSite(request, response, "dispatcheur");
                                return;
                            }
                        } catch (Exception e) {
                            request.setAttribute("error", "Mauvais format IP: un Digit n'est pas un chiffre");
                            redirectToSite(request, response, "dispatcheur");
                        }
                    }
                    liaisonSqlDB = new LiaisonSqlDB("localhost", "arnueldb", "arnuel", "mysqlarnuel");

                    boolean res = liaisonSqlDB.enregistrerIPpourutilisateur(((String) (request.getSession().getAttribute("id_user"))), request.getParameter("ipAdress"));
                    if (res) {
                        request.setAttribute("info", "Ajout effectué de l'adresse " + request.getParameter("ipAdress"));
                    } else {
                        request.setAttribute("info", "Ajout échoué, l'adresse " + request.getParameter("ipAdress") + " existe déjà");
                    }
                    redirectToSite(request, response, "dispatcheur");
                }
            }
        }
    }

    public void redirectToSite(HttpServletRequest request, HttpServletResponse response, String site) throws ExceptionInInitializerError, ServletException, IOException {
        RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/" + site);
        dispatcher.forward(request, response);
        return;
    }
    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
